package com.itheima.conmen;

import com.alibaba.fastjson.JSON;
import com.itheima.pojo.Result;
import com.itheima.tials.JwtUtils;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.AsyncHandlerInterceptor;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class LoginCheckInterceptor implements HandlerInterceptor {


    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("preHandle...");

        String jwt = request.getHeader("token");

        try {
            JwtUtils.parseJWT(jwt);
        } catch (Exception e) {
            e.printStackTrace();
            Result error = Result.error("NOT_LOGIN");
            response.getWriter().write(JSON.toJSONString(error));
            return false;
        }
        return true;
    }

//    @RestController
//    public class FirstController {
//
//        @PostMapping("/test")
//        public void login(HttpServletRequest req,HttpServletResponse resp) throws IOException {
//
//            // 构造重定向的路径:
//            String username = req.getParameter("username");
//            String password = req.getParameter("password ");
//            url.append("http://192.168.xx.xx/login?").append("username=").append(username).append("&")
//                    .append("password=").append(password);
//            String redirectToUrl = url.toString();
//            // 发送重定向响应:
//            resp.sendRedirect(redirectToUrl);


    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("postHandle...");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("afterCompletion...");
    }
}
